The word(s) "length" appears 4 time(s) in 4 verse(s) in Quran in Muhammad Pickthal translation.

(1) And he of the two who was released, and (now) at length remembered, said: I am going to announce unto you the interpretation, therefore send me forth.

(سورة يوسف, Yusuf, Chapter #12, Verse #45)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) And verily messengers (of Allah) were mocked before thee, but long I bore with those who disbelieved. At length I seized them, and how (awful) was My punishment!

(سورة الرعد, Ar-Ra'd, Chapter #13, Verse #32)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(3) Till he was (distant) two bows' length or even nearer,

(سورة النجم, An-Najm, Chapter #53, Verse #9)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(4) And then insert him in a chain whereof the length is seventy cubits.

(سورة الحاقة, Al-Haaqqa, Chapter #69, Verse #32)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)